1. 用方框中所给单词的适当形式填空

sleep, sudden, friend, remember, bad

1. （1） Susan stood up and went out of the room.
3. （2） We'd better eat these bananas before they go .
5. （3） The villagers are to the visitors.
7. （4） He lay on the sofa and fell soon.
9. （5） —Did you post my letter the day before yesterday?

   —Yes. I posting it.